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Pink Check School (P.C.S in Starlight Stage) is a three person unit in Idolmaster Cinderella Girls. It made it's debut in Starlight Stage as P.C.S with the song Love Letter on September 20th, 2016.
The idol outfit in the basic card of each member goes by the same name as the unit, while the outfit that appears in the Love Letter event card illustrations is currently unnamed.